A pyroelectric presence identification system includes focal plane array and a processor coupled to the focal plane array. The focal plane array includes a first image sensor and a plurality of second image sensors configured to convert radiant energy into an electrical signal. The processor is configured to control the focal plane array in a sleep mode wherein the first image sensor is utilized to detect gross motion of at least one presence and the plurality of second image sensors are de-energized.
Legal claims defining the scope of protection, as filed with the USPTO.
2. The pyroelectric presence identification system set forth in claim 1, wherein the first image sensor is configured to view a first portion of a scene and the plurality of second image sensors are configured to view a second portion of the scene.
3. The pyroelectric presence identification system set forth in claim 1, wherein the first image sensor and the plurality of second image sensors are infrared sensors.
4. The pyroelectric presence identification system set forth in claim 3, wherein the infrared sensors are passive infrared sensors.
9. The pyroelectric presence identification system set forth in claim 1, wherein the first image sensor is configured to view a first scene and the plurality of second image sensors are configured to view a second scene.
10. The pyroelectric presence identification system set forth in claim 1, wherein the first image sensor and the plurality of second image sensors are infrared sensors.
11. The pyroelectric presence identification system set forth in claim 10, wherein the infrared sensors are passive infrared sensors.
15. The method set forth in claim 14, wherein the detection device when operating in the chopping mode is configured to identify the at least one presence.
16. The method set forth in claim 14, wherein at least one first image sensor of the focal plane array is utilized and the plurality of second image sensors of the focal plane array are de-energized when operating in the sleep mode.
17. The method set forth in claim 16, wherein the plurality of second image sensors are energized when operating in the chopperless-active mode.
18. The method set forth in claim 17, wherein the plurality of second image sensors are energized when operating in the chopping mode.
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February 8, 2017
August 30, 2022
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